Karl Ferguson
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View article: Liver fluke in beef cattle – Impact on production efficiency and associated greenhouse gas emissions estimated using causal inference methods
Liver fluke in beef cattle – Impact on production efficiency and associated greenhouse gas emissions estimated using causal inference methods Open
We aimed to estimate 1) the marginal effect of liver fluke (Fasciola hepatica) infection on productivity of Scottish beef cattle, and 2) the associated greenhouse gas emissions intensity (GHG EI). Data comprised 240,065 abattoir records fr…
View article: Constructing a graphical model of the relationship between physical activity and cognitive function based on a systematic review of prospective evidence
Constructing a graphical model of the relationship between physical activity and cognitive function based on a systematic review of prospective evidence Open
Elucidating the factors that contribute to healthy ageing is an important research goal. Physical activity (PA) has been associated with benefits for cognitive function (CF). However, most of this evidence comes from longitudinal cohort st…
View article: Public attitudes to Minimum Unit Pricing (MUP) for alcohol in Scotland.
Public attitudes to Minimum Unit Pricing (MUP) for alcohol in Scotland. Open
Public Health Scotland has published an analysis of responses to relevant questions in the 2013, 2015 and 2019 Scottish Social Attitude Surveys (SSAS), which asked a representative sample of the Scottish adult population about their attitu…
View article: Methodological developments in constructing casual diagrams with counterfactual analysis of adolescent alcohol harm
Methodological developments in constructing casual diagrams with counterfactual analysis of adolescent alcohol harm Open
Background and aims: Causal diagrams, or Directed Acyclic Graphs (DAGs), are mathematically formulated networks of nodes (variables) and arrows which rigorously identify adjustment sets for statistical models. They are thus promising tools…
View article: Evidence synthesis for constructing directed acyclic graphs (ESC-DAGs): a novel and systematic method for building directed acyclic graphs
Evidence synthesis for constructing directed acyclic graphs (ESC-DAGs): a novel and systematic method for building directed acyclic graphs Open
Background Directed acyclic graphs (DAGs) are popular tools for identifying appropriate adjustment strategies for epidemiological analysis. However, a lack of direction on how to build them is problematic. As a solution, we propose using a…